Merge pull request #59 from tomaka/plain-text-rename

Rename PlainText to PlainTextConfig

example/examples/echo-dialer.rs

@@ -47,7 +47,7 @@ fn main() {
     let tcp = TcpConfig::new(core.handle());
     
     let with_secio = tcp
-        .with_upgrade(swarm::PlainText)
+        .with_upgrade(swarm::PlainTextConfig)
         .or_upgrade({
             let private_key = {
                 let pkcs8 = include_bytes!("test-private-key.pk8");